Search a number
-
+
152181022 = 2710870073
BaseRepresentation
bin10010001001000…
…01100100011110
3101121100121010011
421010201210132
5302424243042
623033433434
73525342310
oct1104414436
9347317104
10152181022
11789a1944
1242b6b87a
13256b3856
14162d57b0
15d560a17
hex912191e

152181022 has 8 divisors (see below), whose sum is σ = 260881776. Its totient is φ = 65220432.

The previous prime is 152181019. The next prime is 152181023. The reversal of 152181022 is 220181251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 152180984 and 152181002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152181023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435023 + ... + 5435050.

It is an arithmetic number, because the mean of its divisors is an integer number (32610222).

Almost surely, 2152181022 is an apocalyptic number.

152181022 is a deficient number, since it is larger than the sum of its proper divisors (108700754).

152181022 is a wasteful number, since it uses less digits than its factorization.

152181022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10870082.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 152181022 is about 12336.1672329780. The cubic root of 152181022 is about 533.8921050839.

The spelling of 152181022 in words is "one hundred fifty-two million, one hundred eighty-one thousand, twenty-two".

Divisors: 1 2 7 14 10870073 21740146 76090511 152181022